Tachibana Dōsetsu was the one who possessed the legendary sword called 'Chidori'. It is said that one day, still young, he took refuge under a tree, because it was raining. Suddenly, lightning strikes the fuel. However, Dōsetsu used his Chidori to cut the Thunder God within the beam, allowing him to survive. After this incident, he renamed his 'Chidori' to "Raikiri", lightning cutter.
Born Betsugi Akitsura, also known as Bekki Akitsura, and Bekki Dōsetsu, was a Japanese samurai of the Sengoku period who served in the Ōtomo clan.
He fought in 37 battles while about half of his body was paralyzed. That was why he became known as 'Oni Dōsetsu'. He died while leading an attack on Neko'o Castle...